000 00530nam a2200133Ia 4500
008 210804s9999 xx 000 0 und d
082 _a370.95493
_bNAT
110 _aSunethra Karunaratne
245 0 _aImpact evaluation of 1997 education reforms in teaching science at the GCE Advanced level
260 _aNarahenpita
_bNational Education Commission
_c2004
300 _axiii, 220 p.- Study series; no.12
650 _aTeaching science-G.C.E. A/L
942 _cPRGD
999 _c153218
_d153217